 Geary's rock art paintings are copies of now-destroyed petroglyphs at Abo, New Mexico, and may be their only surviving representation.In addition to its individual designation as part of the M.E.J.Colter Buildings National Historic Landmark, the Watchtower is part of the Desert View Watchtower Historic District, which includes a number of support structures built and used by the Fred Harvey Company, and later used by the National Park Service.